ASSIGNMENT 1 MAT 508

ASSIGNMENT 1 MAT 508 - Isaac Newton's method is perhaps the...

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Isaac Newton's method is perhaps the best known method for finding successively better approximations to the zeroes of a real -valued function . Newton's method can often converge remarkably quickly; especially if the iteration begins "sufficiently near" the desired root. Just how near "sufficiently near" needs to be, and just how quickly "remarkably quickly" can be, depends on the problem. This is discussed in detail below. Unfortunately, when iteration begins far from the desired root, Newton's method can easily lead an unwary user astray with little warning. Thus, good implementations of the method embed it in a routine that also detects and perhaps overcomes possible convergence failures. Given a function ƒ ( x ) and its derivative ƒ '( x ), we begin with a first guess x 0 . A better approximation x 1 is Using the derivate definition to find an equation of tangent line to the curve Y = X^3 + 2X at the point (1, 3). 1.
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ASSIGNMENT 1 MAT 508 - Isaac Newton's method is perhaps the...

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